4.Carefully slide the base off of the driver and remove the large washer and rub- ber bumper (see Figure 9).
Bumper
Washer
Figure 9. Bumper and washer.
5.Use a flat head screwdriver to pry off the whack cap shown in Figure 10.
Cylinder | Whack Cap |
Cover |
|
| Exhaust Cover |
Figure 10. Removing the whack cap.
6.Loosen the exhaust covers and remove the cap screws from the cylin- der cover. Slide the cylinder cover off of the plunger.
7.Unscrew the cap screws and remove the plunger (see Figure 11).
Plunger
Figure 11. Removing the plunger.
8.Grab onto the driver and pull the piston assembly out from the bottom.
9.Unscrew the piston and driver from the piston assembly (see Figure 12).
Piston Assembly |
Piston and |
Driver |
Figure 12. Piston and driver.
10.Apply a thin film of nailer lubricating oil on the O-rings, then place the new O- rings on the piston and the plunger.
11.Re-assemble the nailer in reverse order.
Model H7826 Flooring Nailer |
